4-Chloro-3,5-Dimethylphenol

1.       Chemical name: 4-chloro-3,5-dimethylphenol

2.       Synonyms: PCMX, p-chloro-m-xylenol, 2-chloro-5-hydroxy-m-xylene, 3,5-dimethyl-4-chlorophenol, 2-chloro-m-xylenol, 2-chloro-5-hydroxy-1,3-dimethylbenzene, benzytol, dettol, husept extra, chloroxylenol (British Pharmacopoeia), nipacide PX, ottasept, para-chloro-meta-xylenol, Para-Chloro-3,5-xylenol

3.       CAS Number: 88-04-0

4.       Empirical formula: C₈H₉ClO

5.       Molecular weight: 156.61

6.       Structural formula:

7.       Physical & Chemical Properties: off-white to white crystalline powder; characteristic odor of phenol; melting point: 114-116℃; boiling point: 246℃; flash point: 132℃; solubility in water: 0.3g/L(20℃), apt to soluble in alcohol solvents such as: alcohol, isopropanol, glycerol, etc.

8.       Toxicity: low toxicity, low irritation to skin, eye and stomatology, etc. acute oral: LD₅₀>3830mg/kg; acute dermal: LD₅₀>1000mg/kg.

9.       Application: for anti-bacterial purposes such as leather, paper, etc. it is also used as anti-mold in textiles, photo, etc. It is effective to control most gram-bacteria, mycorrhizal fungi, molds, etc. It is non-toxic and non-irritation to skin. It is stable at normal conditions, incompatible with strong oxidizing agent; and it is of anti-corrosive properties.

10.     Quality Specification: Appearance-------Off-white to white crystalline powder

Content-----------99.0%min

Loss on drying----0.5%max

Sulfuration ash---1.0%max

Melting point----114-116℃

11.   Packing: 25kg fiber drum.

12.   Manufacturer: Changzhou Great Chemicals Co., Ltd.